The pulsewidth-age relation of radio pulsars

Details The pulsewidth-age relation of radio pulsars The pulsewidth-age relation of radio pulsars

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...183l..17c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 183, no. 2, Sept. 1987, p. L17-L20.

Astronomy and Astrophysics

Astrophysics

Pulsars, Pulse Duration, Statistical Tests, Stellar Evolution, Stellar Magnetic Fields

Scientific paper

The radio pulsar mean pulsewidth - characteristic age relation shows a minimum between 106 and 107yr. Such a minimum is predicted by evolutionary models involving magnetic alignment, but not by those involving magnetic field decay. Since the statistical significance of the minimum has been questioned (Krishnamohan, 1985), the authors present a statistical analysis of the data. The pulsewidth distribution is highly skewed, which makes the analysis sensitive to the presence of long pulsewidth pulsars at small characteristic ages. The skewness also accounts for the discrepancy between mean and median pulsewidths.

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